Public Water Partners

MCKINLEYVILLE, CA · Humboldt County

MCKINLEYVILLE C.S.D. Water System

Consumer Confidence Report status

MCKINLEYVILLE C.S.D. must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for MCKINLEYVILLE C.S.D..

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID)
CA1210016
System type
Community Water System
Population served
16,900
Service connections
5,969
Ownership
local government
Water source
groundwater (wells)

MCKINLEYVILLE C.S.D. is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 16,900 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 1984, all of which EPA lists as closed. Nothing has been added since 1984.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Miscellaneous Other Rules.

Violation history

  • Notification, Public

    —

    No contaminant on record

    March 1, 1984 – March 31, 1984

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is MCKINLEYVILLE C.S.D. required to publish a Consumer Confidence Report?

Yes. MCKINLEYVILLE C.S.D. is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is MCKINLEYVILLE C.S.D.’s next Consumer Confidence Report due?

MCKINLEYVILLE C.S.D.’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MCKINLEYVILLE C.S.D. have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for MCKINLEYVILLE C.S.D..

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

KASPARI, PATRICK

707-839-3251

MCKINLEYVILLE, CA 95519